Some updates to play video macOS. (#92)
Some updates to play video macOS. (#92)

Videos will play on macOS, but the video overwrites the buttons and slider at the bottom of the main window.

Added additional File menu items as workaround, but there must be a better way to fix this.

Parse command line arguments for usage
`python tkvlc.py  [-v | -version]  [<video_file_name>]`
to allow specifying a video file name on the command line, click `Open` to play.  Option `-v` or `--version` shows all `tkvlc.py`, `libtkX.Y.{so,, dll, dylib}`, `vlc.py`, `libVLC`, Python and O/S versions.
oaubert/python-vlc,oaubert/python-vlc